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    • 1. 发明授权
    • Method of producing an optical information record carrier
    • 光信息记录载体的制造方法
    • US5171392A
    • 1992-12-15
    • US645773
    • 1991-01-25
    • Tetsuya IidaTakanobu HiguchiKunizo OgoshiShinichi Yokozeki
    • Tetsuya IidaTakanobu HiguchiKunizo OgoshiShinichi Yokozeki
    • B29D17/00G11B7/24G11B7/26
    • B29D17/005G11B7/24G11B7/26Y10T156/1158
    • An optical information record carrier (optical disk, conventionally) has multiple reflective surfaces, each carrying separate information and each readable by an optical beam directed from the same side of the record carrier. The top most reflective surface reflects light of a first waveband and passes light of a second waveband. The next top most reflective layer reflects light within at least part of the second waveband. The record carrier is formed by producing a first reflective layer having a first pit pattern in the surface of a transparent substrate, pressing said first substrate/layer combination to a transparent stamper having a second pit pattern, with a radiation hardening liquid resin therebetween, irradiating the resin by applying radiation to said resin through said stamper, peeling off said stamper, applying a second reflective layer to said hardened resin surface opposite the surface in contact with said first reflective layer, and applying a protective layer to said second reflective layer.
    • 光学信息记录载体(光盘,传统上)具有多个反射面,每个反射表面承载分离的信息,并且每个反射表面都可以由从记录载体的同一侧引导的光束读取。 顶部最反射的表面反射第一波段的光并且传递第二波段的光。 下一个最上层的反射层在第二波段的至少部分内反射光。 记录载体通过在透明基板的表面中制造具有第一凹坑图案的第一反射层,将所述第一基板/层组合按压到具有第二凹坑图案的透明压模,在其间具有辐射硬化液体树脂,照射 所述树脂通过所述压模向所述树脂施加辐射,剥离所述压模,将第二反射层施加到与所述第一反射层接触的表面相对的所述硬化树脂表面,以及向所述第二反射层施加保护层。
    • 10. 发明授权
    • Disk manufacturing apparatus
    • 磁盘制造装置
    • US5216219A
    • 1993-06-01
    • US794053
    • 1991-11-19
    • Shinichi YokozekiTeruo Toma
    • Shinichi YokozekiTeruo Toma
    • G11B7/26
    • G11B7/261
    • A disk manufacturing apparatus produces a master disk of optical disks with a high recording density in a short time. According to one aspect, the apparatus comprises a housing forming a vacuum space; a holder holding a master disk having a recording surface subjected to an electron beam resist application process in the housing; a plurality of cold-cathode emitter elements, arranged two-dimensionally within a plane of beam irradiation to the master disk, irradiating an electron beam toward the master disk of optical disks when driven; and a driver selectively driving the a plurality of cold-cathode emitter elements. According to another aspect, the apparatus comprises at least one cold-cathode emitter element irradiating an electron beam toward the master disk when driven; a magnetic field lens, disposed between the cold-cathode emitter element and the master disk, focusing the electron beam emanated from the cold-cathode emitter elements. According to a further aspect, the apparatus comprises a turntable rotating the master disk in the housing; a head having at least one cold-cathode emitter element, when driven, irradiating an electron beam toward the master disk; and a driver driving the cold-cathode emitter element in accordance with a supplied record information signal.
    • 盘制造装置在短时间内产生具有高记录密度的光盘的母盘。 根据一个方面,该装置包括形成真空空间的壳体; 保持在所述壳体中具有经受电子束抗蚀剂施加处理的记录表面的母盘的保持器; 多个冷阴极发射体元件,其在与主盘的束照射平面内二维排列;驱动时向电子盘的主盘照射电子束; 以及选择性地驱动多个冷阴极发射体元件的驱动器。 根据另一方面,该装置包括至少一个在驱动时向主盘照射电子束的冷阴极发射体元件; 设置在冷阴极发射体元件和母盘之间的磁场透镜,聚焦从冷阴极发射体元件发出的电子束。 根据另一方面,该装置包括:转盘,其将主盘旋转到壳体中; 具有至少一个冷阴极发射体元件的头部,当被驱动时,朝向主盘照射电子束; 以及根据提供的记录信息信号驱动冷阴极发射极元件的驱动器。